In contrast to common perceptions, plastic is in no way near one material. Rather, it is a combination of many materials (polymers) with different chemical compounds and additives such as pigments or ...

Household waste constitutes 30–40% of municipal solid waste globally. Separating waste at the household level into compostable, recyclable, and non-recyclable is a crucial first step for local ...

Froth flotation has emerged as a pivotal technology for the recovery and purification of secondary plastics from mixed waste streams. By exploiting differences in surface chemistry rather than density ...

We can now tell the difference between a wide range of plastic types and thereby separate plastics according to their chemical composition. This is absolutely ground-breaking and it will increase the ...